CUPS - Does a Submitted Print file live somehwere? Post: 303033719

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Top Forums UNIX for Beginners Questions & Answers CUPS - Does a Submitted Print file live somehwere? Post 303033719 by mrm5102 on Wednesday 10th of April 2019 03:11:56 PM

04-10-2019

Registered User

CUPS - Does a Submitted Print file live somehwere?

Hello All,

When using CUPs. Does the file that gets printed live in some temp directory somewhere?

For example, if a user submits a PDF file to be printed, does a cached copy of that PDF file live somewhere on the Server in a temporary directory, at least until its printed?

Code:

# lpq -P printer15
printer15 is not ready
Rank    Owner   Job     File(s)                Total Size
1st     applpro 11261   myfile123.PDF    2048 bytes
2nd     applpro 11307   myfile1456.PDF    2048 bytes
3rd     applpro 11313   myfile12345.PDF    11264 bytes
4th     applpro 11322   myfile16789.PDF    2048 bytes

Thanks in Advance,
Matt

--- Post updated at 03:11 PM ---

Correct me if this is wrong. But, I think I may have just discovered the answer...

The following link describes CUPs Design: CUPS Design Description

In there it states print job files are stored in /var/spool/cups. Each print job has one control file, i.e. "c<job-num>", and 0 or more data files, i.e. "d<job-num>-001".

And it looks like the d* file is the actual cached file of the printed document.

-Matt

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LEARN ABOUT CENTOS

cups-genppdupdate

CUPS-GENPPDUPDATE(8)					      Gutenprint Manual Pages					      CUPS-GENPPDUPDATE(8)

NAME

       cups-genppdupdate - update CUPS+Gutenprint PPD files

SYNOPSIS

       cups-genppdupdate [-h] [-n] [-N] [-q | -v] [-s ppd-directory] [-s output-directory] [PPD-FILES or QUEUES...]

DESCRIPTION

       cups-genppdupdate  regenerates  the Gutenprint PPD files in use by CUPS, using the PPD files under /usr/share/cups/model/gutenprint as tem-
       plates.	The new PPD file replaces the old PPD file under /etc/cups/ppd, but all the options set in the old PPD will be merged into the new
       PPD, provided that they are still valid in the new file.

       If  no  files or queue names are specified, cups-genppdupdate updates all Gutenprint PPD files in /etc/cups/ppd.  Otherwise, cups-genppdup-
       date updates all files or queues listed on the command line.

       cups-genppdupdate does not update Foomatic PPD files or PPD files from Gimp-Print 4.2 or earlier.

       cups-genppdupdate does not restart cupsd.  cupsd will need manually reloading (or send SIGHUP) once cups-genppdupdate has completed.

OPTIONS

       -h     Show a help message.

       -n     No action.  The program will run, but the old PPD files will not be replaced.

       -q     Quiet mode.  No messages will be issued, apart from errors.

       -v     Verbose mode.  More informative messages will be issued.	Note that extremely verbose output may be turned on by setting $debug=1 in
	      the source, but this output will not be of use to the average user.

       -s ppd-directory
	      Use ppd-directory as the base directory to read PPD files from.  By default, the base directory is /usr/share/cups/model/gutenprint.
	      Under this directory, the PPD files are located in subdirectories according to language code and territory.

       -o output-directory
	      Place updated PPD files in output-directory.  By default, this is the same as the input directory.

       -N     Reset all options to their defaults (do not merge options from the current PPD file)

SEE ALSO

       cups-genppd(8), cups-genppdconfig(8), CUPS Software Administrators Manual, http://localhost:631/documentation.html

COPYRIGHT

       Copyright (C)  2002-2006 Roger Leigh (rleigh@debian.org) and Robert Krawitz (rlk@alum.mit.edu)

       This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License,  version  2,	as
       published by the Free Software Foundation.

       This manual page was written by Roger Leigh (rleigh@debian.org).

Version 5.2.9							    07 Jul 2012 					      CUPS-GENPPDUPDATE(8)